WO2016169157A1 - 一种一次性使用输注泵 - Google Patents

一种一次性使用输注泵 Download PDF

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Publication number
WO2016169157A1
WO2016169157A1 PCT/CN2015/086705 CN2015086705W WO2016169157A1 WO 2016169157 A1 WO2016169157 A1 WO 2016169157A1 CN 2015086705 W CN2015086705 W CN 2015086705W WO 2016169157 A1 WO2016169157 A1 WO 2016169157A1
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Prior art keywords
valve body
infusion pump
liquid
conduit
disposed
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PCT/CN2015/086705
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English (en)
French (fr)
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梁栋科
林森
周超
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上海康德莱企业发展集团医疗器械有限公司
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Publication of WO2016169157A1 publication Critical patent/WO2016169157A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps

Definitions

  • the invention relates to a single-use infusion pump and belongs to the field of medical instruments.
  • Infusion is the most common means of treatment of current diseases.
  • the infusion pump is currently the most widely used and most widely used infusion method, and is suitable for the treatment of continuous injection of liquid medicine or patient-controlled administration in clinical micro-feeding.
  • the traditional infusion pump's infusion method relies on gravity. Gravity infusion has many inconveniences in actual use:
  • the object of the present invention is to overcome the defects of the prior art and provide a single-use infusion pump, which can change the traditional infusion method, and can control the infusion precision to a very small range, so that the infusion becomes convenient and quick.
  • a technical solution for achieving the above object is: a single-use infusion pump comprising a casing, a reservoir, a conduit, a pipe clamp, a chemical filter, a pressure regulator, a flow regulator, and a male luer, wherein:
  • a lanyard is disposed on the outer casing, and the sling is provided with a buckle;
  • the liquid storage bag is disposed in the outer casing, and the wall of the liquid storage bag is a gradient wall thickness;
  • a liquid injection port is arranged on the outer casing, and a needle-free dosing four-way valve is installed in the liquid injection port, and the needle-free dosing four-way valve is connected to the liquid storage bag through a locking clip, and the liquid inlet is connected Provided with a sealing cover;
  • An inlet end of the conduit is connected to the needle-free dosing four-way valve, and an outlet end of the conduit is connected to the male luer connector;
  • the pipe clamp is clamped to the conduit
  • the liquid chemical filter is mounted on the conduit and located between the pipe clamp and the male luer;
  • the pressure regulator valve is mounted on the conduit and located between the liquid chemical filter and the male luer connector;
  • the flow regulator is mounted on the conduit and between the regulator valve and the male luer;
  • An inner screw cap is disposed on the male luer connector.
  • the pressure regulating valve comprises a valve body, a valve body upper cover, a tympanic membrane, a valve body seal, an adjusting screw and an adjusting spring, wherein:
  • valve body An inlet end of the valve body is connected to the liquid chemical filter through the conduit, and an outlet end of the valve body is connected to the flow regulator through the conduit;
  • the upper cover of the valve body is closed on the valve body, and a middle of the upper cover of the valve body is provided with a screw mounting opening;
  • the tympanic membrane is mounted in a middle portion of the valve body
  • valve body seal is disposed between the tympanic membrane and the valve body
  • the adjusting screw is installed in a screw mounting opening of the upper cover of the valve body;
  • the top end of the adjusting spring is disposed in contact with the bottom end of the adjusting screw, and the bottom end of the adjusting spring is disposed in contact with the upper surface of the eardrum.
  • sealing cover is detachably mounted on the outer casing, and an inner surface of the sealing cover is provided with a sealing ring through which the sealing cover is The liquid inlet is sealed and connected.
  • the outer casing includes an upper cover, a lower cover and a fastening ring
  • the upper cover is closed on the lower cover
  • the upper cover and the lower cover The outer periphery of the joint is secured by the fastening ring, which is attached to the fastening ring.
  • the needle-free dosing four-way valve includes an upper half and a lower half, the upper half having a needleless dosing port, and the lower half being One-way valve body.
  • the single-use infusion pump of the invention discards the traditional method of relying on gravity infusion, but uses the tension of the reservoir as the infusion power, but the contraction of the reservoir will cause a change in pressure, which will result in a certain accuracy of the infusion.
  • the effect of the invention is that the single-use infusion pump of the invention adds a pressure regulating valve, so that the output pressure is a constant value, thereby controlling the infusion precision to a very small range, changing the traditional infusion method, so that the infusion becomes Convenient.
  • Figure 1 is a schematic view showing the structure of a single use infusion pump of the present invention
  • FIG. 2 is a schematic structural view of a needle-free dosing four-way of the single-use infusion pump of the present invention
  • FIG. 3 is a schematic structural view of a pressure regulating valve of a single use infusion pump of the present invention.
  • Figure 4 is a schematic view showing the operation of the pressure reducing valve of the single use infusion pump of the present invention.
  • a disposable infusion pump comprising a lanyard 1, a casing 2, a reservoir 3, a conduit 4, a pipe clamp 5, a liquid chemical filter 6.
  • the sling 1 is provided with a pressing buckle 11.
  • the lanyard 1 is preferably made of a transparent PVC material, and the sling 1 is provided with a pressing buckle 11 on the one hand, which has a certain aesthetic sense; on the other hand, the fastening strength of the lanyard 1 joint is increased.
  • the outer casing 2 includes an upper cover, a lower cover and a fastening ring 21, the upper cover is closed on the lower cover, and the outer periphery of the connection between the upper cover and the lower cover is fixed by a fastening ring 21, and the lanyard 1 is connected to the fastening ring 21.
  • the fastening ring 21 plays a certain role of support and positioning.
  • the shape of the outer casing 2 is preferably circular.
  • the reservoir 3 is made of a silicone tube, the reservoir 3 is disposed in the outer casing 2, and the wall of the reservoir 3 is a gradient wall thickness; the outer casing 2 is provided with a liquid injection port, and the injection opening is provided with a needle-free dosing
  • the four-way valve 22, the needle-free dosing four-way valve 22 is connected to the reservoir 3 through the locking clip 23, and the sealing port 24 is provided with a sealing cover 24; the sealing cover 24 is detachably mounted on the outer casing 2, and the sealing cover 24 is provided.
  • the inner surface is provided with a sealing ring through which the sealing cover 24 is sealingly connected with the liquid filling port.
  • the sealing cover 24 not only ensures the integrity of the entire outer casing 2, but also prevents a part of bacteria from contaminating the liquid filling port, so that the infusion is more complete. Security.
  • the conduit 4 is a PU tube, the inlet end of the conduit 4 is connected to the needle-free dosing valve 22, the outlet end of the conduit 4 is connected to the male luer 9; the pipe clamp 5 is clamped to the conduit 4, and the pipe clamp 5 Use a large hole small lock clip.
  • the chemical liquid filter 6 is mounted on the catheter 4 and is located between the pipe clamp 5 and the male luer connector 9, and the chemical liquid filter 6 is provided with a vented liquid chemical filter.
  • the regulator valve 7 is mounted on the conduit 4 and is located between the liquid chemical filter 6 and the male luer connector 9.
  • the flow regulator 8 is mounted on the conduit 4 and between the regulator valve 7 and the male luer 9.
  • a male screw cap 10 is provided on the male luer connector 9.
  • the reservoir 3 is the power of the entire infusion pump, and cooperates with the pressure regulating valve 7 so that the output pressure does not fluctuate up and down.
  • the needle-free dosing four-way valve 22 includes an upper part and a lower part, and the upper part has a needle-free dosing port for convenient sterilization of the dosing port, and the lower part is a one-way valve body, which satisfies one-way There is no backflow problem in the liquid.
  • the locking clip 23 is a locking device for connecting the needle-free dosing four-way valve 22 and the reservoir 3, and the tightness of the locking clip 23 is adjusted to control the firmness of the connection.
  • the duct 4 adopts a PU tube with a large wall thickness, which serves as an anti-folding tube, ensures smooth flow of the liquid medicine, and is extremely convenient for installation and carrying.
  • the vented type liquid filter 6 can effectively filter bubbles, particles and impurities, and can filter particles as small as 2 ⁇ m or more to prevent clogging of the infusion.
  • the flow regulator 8 is internally provided with a flow control slot, and the flow rate is adjusted by a rotary button to determine different flow specifications.
  • the pressure regulating valve 7 includes a valve body 71, a valve body upper cover 72, a tympanic membrane 73, a valve body seal 74, an adjusting screw 75 and an adjusting spring 76, wherein the inlet end of the valve body 71 passes through the conduit 4 and the medicine
  • the liquid filter 6 is connected, and the outlet end of the valve body 72 is connected to the flow regulator 8 through the conduit 4; the valve body upper cover 72 is closed on the valve body 71, and a screw mounting opening is formed in the middle of the valve body upper cover 71.
  • the tympanic membrane 73 is mounted in the middle of the valve body 71; the valve body seal 74 is disposed between the tympanic membrane 73 and the valve body 71; the adjusting screw 75 is mounted in the screw mounting opening of the valve body upper cover 72; the top end of the adjusting spring 76 and the adjusting screw The bottom end of the 75 is placed in contact with the bottom end of the adjustment spring 76 in contact with the upper surface of the eardrum 73.
  • the material of the eardrum 73 is silica gel.
  • the pressure regulating valve 7 uses the opening and closing of the opening and closing member in the control valve body to adjust the pressure of the medium, and reduces the pressure of the medium to a set value, and can maintain the outlet pressure even when the inlet pressure is constantly changing. Value.
  • the adjusting screw 75 can be rotated up and down, and the adjusting screw 76 is rotated to adjust the compression amount of the adjusting spring 76, thereby adjusting the pressure of the adjusting spring 76 against the eardrum 73, thereby controlling the output pressure of the valve body 71. .
  • the tympanic membrane 73 is made of silica gel material, has good stability and does not react with the chemical solution, and ensures the safety of the patient.
  • the tympanic membrane 73 has two upper and lower planes, and there is an area difference between the two planes, and the tympanic membrane 73 is controlled by the area difference.
  • the valve body 71 is designed to control the flow direction of the liquid, and the valve body upper cover 72 is used to seal the tympanic membrane 73 to the valve body 71.
  • the compact design satisfies the use of many products.
  • the regulator valve 7 keeps the outlet pressure at a set value even when the inlet pressure is constantly changing, thereby meeting the high-precision infusion requirements.
  • the working principle of the pressure regulating valve 7 is: rotating the adjusting screw 75, adjusting the pressure of the adjusting spring 76 to a set value, setting P1 as the inlet pressure of the pressure regulating valve 7, and P2 as the inside of the pressure regulating valve 7.
  • Pressure, P3 is the outlet pressure of the pressure regulating valve 7, when the resultant force of P1, P2 on the respective faces S1, S2 and the elastic force of the adjusting spring 76 are balanced, then the lower end boss of the tympanic membrane 73 will block the liquid to continue upward flow.
  • the outer casing 2 has a circular shape, which is convenient for the device to be put into a pocket or placed elsewhere;
  • the outer casing 2 is provided with a lanyard 1 which can be hung on the neck;
  • the reservoir 3 is matched with the pressure regulator 7, so that the output pressure control is stable and reliable, and the precision is high.
  • the regulator valve 7 is automatically adjusted when the upstream pressure or flow rate changes, stabilizing the downstream pressure.
  • the downstream pressure changes are continuous and stable, and are less affected by the inlet pressure;
  • the flow regulator 8 satisfies the needs of different patients for the flow of the drug solution
  • the needle-free dosing four-way valve 22 greatly reduces the residual amount of the liquid medicine, on the one hand, reduces the amount of the liquid medicine used, and on the other hand, reduces the economic burden on the patient.
  • the single-use infusion pump of the present invention can be widely applied and emergency, especially some sudden The situation has helped the wounded and improved the environment of the current traditional infusion.

Abstract

一种一次性使用输注泵，包括外壳（2）、储液囊（3）、导管（4）、管路夹子（5）、药液过滤器（6）、稳压阀（7）、流量调节器（8）和公鲁尔接头（9），所述外壳（2）上设置有挂带（1），所述挂带（1）上设置有压扣（11）；所述储液囊（3）设置在所述外壳（2）内，所述储液囊（3）的囊壁为渐变壁厚；所述外壳（2）上开设有注液口，该注液口内安装有无针加药四通阀（22），所述无针加药四通阀（22）通过锁紧夹（23）与所述储液囊（3）相连，所述注液口上设置有密封盖（24）；所述导管（4）的进口端与所述无针加药四通阀（22）相连，所述导管（4）的出口端与所述公鲁尔接头（9）相连；所述管路夹子（5）夹接在所述导管（4）上；所述药液过滤器（6）、稳压阀（7）、流量调节器（8）均安装在所述导管（4）上。该输注泵改变了传统的输液方式，使输液变得方便，快捷。

Description

一种一次性使用输注泵 技术领域
本发明涉及一种一次性使用输注泵，属于医疗器械领域。
背景技术
输液是目前疾病治疗最通常的一种手段，输注泵是目前适用范围最广和应用最多输液手段，适用于临床微量给液中进行持续注射药液或病人自控给药的治疗。传统的输注泵的输液方式依靠重力，重力输液在实际使用过程中存在诸多不便：
1)、需要额外的装置将储液装置高挂；
2)、病人活动受到局限；
3)、使用过程中要护理，防止出现气泡或回血的情况；
4)、输液精度无法控制。
发明内容
本发明的目的是克服现有技术的缺陷，提供一种一次性使用输注泵，改变传统的输液方式，可以将输液精度控制在极小的范围内，使输液变得方便，快捷。
实现上述目的的技术方案是：一种一次性使用输注泵，包括外壳、储液囊、导管、管路夹子、药液过滤器、稳压阀、流量调节器和公鲁尔接头，其中：
所述外壳上设置有挂带，所述挂带上设置有压扣；
所述储液囊设置在所述外壳内，所述储液囊的囊壁为渐变壁厚；
所述外壳上开设有注液口，该注液口内安装有无针加药四通阀，所述无针加药四通阀通过锁紧夹与所述储液囊相连，所述注液口上设置有密封盖；
所述导管的进口端与所述无针加药四通阀相连，所述导管的出口端与所述公鲁尔接头相连；
所述管路夹子夹接在所述导管上；
所述药液过滤器安装在所述导管上，并位于所述管路夹子和所述公鲁尔接头之间；
所述稳压阀安装在所述导管上，并位于所述药液过滤器和所述公鲁尔接头之间；
所述流量调节器安装在所述导管上，并位于所述稳压阀和所述公鲁尔接头之间；
所述公鲁尔接头上设置有内螺护帽。
上述的一种一次性使用输注泵，其中，所述稳压阀包括阀体、阀体上盖、鼓膜、阀体密封件、调节螺丝和调节弹簧，其中：
所述阀体的进口端通过所述导管与所述药液过滤器相连，所述阀体的出口端通过所述导管与所述流量调节器相连；
所述阀体上盖盖合在所述阀体上，所述阀体上盖的中部开设一上下贯通的螺丝安装口；
所述鼓膜安装在所述阀体的中部；
所述阀体密封件设置在所述鼓膜与所述阀体之间；
所述调节螺丝安装在所述阀体上盖的螺丝安装口内；
所述调节弹簧的顶端与所述调节螺丝的底端接触设置，所述调节弹簧的底端与所述鼓膜的上表面接触设置。
上述的一种一次性使用输注泵，其中，所述密封盖可掀开地安装在所述外壳上，所述密封盖的内表面上设置有密封环，所述密封盖通过该密封环与所述注液口密封连接。
上述的一种一次性使用输注泵，其中，所述储液囊由硅胶管制成。
上述的一种一次性使用输注泵，其中，所述导管采用PU管。
上述的一种一次性使用输注泵，其中，所述外壳包括上盖、下盖和紧固环，所述上盖盖合在所述下盖上，所述上盖与所述下盖的连接处的外周边通过所述紧固环固定，所述挂带与所述紧固环相连。
上述的一种一次性使用输注泵，其中，所述药液过滤器采用带排气型药液过滤器。
上述的一种一次性使用输注泵，其中，所述鼓膜的材质为硅胶。
上述的一种一次性使用输注泵，其中，所述无针加药四通阀包括上半部分和下半部分，所述上半部分具有一个无针加药口，所述下半部分为单向阀体。
本发明的一次性使用输注泵，摒弃传统的依靠重力输液的方式，而是采用储液囊的张力作为输注动力，但储液囊的收缩会出现压力的变化，给输液的精度造成一定的影响，本发明的一次性使用输注泵加入了稳压阀，使得输出的压力是一个恒定值，进而将输液精度控制在极小的范围内，改变了传统的输液方式，使输液变得方便、快捷。
附图说明
图1为本发明的一次性使用输注泵的结构示意图；
图2为本发明的一次性使用输注泵的无针加药四通的结构示意图；
图3为本发明的一次性使用输注泵的稳压阀的结构示意图；
图4为本发明的一次性使用输注泵的稳压阀的工作原理图。
具体实施方式
为了使本技术领域的技术人员能更好地理解本发明的技术方案，下面结合附图对其具体实施方式进行详细地说明：
请参阅图1和图2，本发明的最佳实施例.一种一次性使用输注泵，包括挂带1、外壳2、储液囊3、导管4、管路夹子5、药液过滤器6、稳压阀7、流量调节器8和公鲁尔接头9。
挂带1上设置有压扣11，挂带1优选为透明PVC材质，挂带1上设置压扣11，一方面具有一定的美感；另一方面增加了挂带1接头处的牢固度。
外壳2包括上盖、下盖和紧固环21，上盖盖合在下盖上，上盖与下盖的连接处的外周边通过紧固环21固定，挂带1与紧固环21相连，紧固环21起到一定的支撑与定位作用。外壳2的形状优选为圆形。
储液囊3由硅胶管制成，储液囊3设置在外壳2内，储液囊3的囊壁为渐变壁厚；外壳2上开设有注液口，该注液口内安装有无针加药四通阀22，无针加药四通阀22通过锁紧夹23与储液囊3相连，注液口上设置有密封盖24；密封盖24可掀开地安装在外壳2上，密封盖24的内表面上设置有密封环，密封盖24通过该密封环与注液口密封连接，密封盖24既保证了整个外壳2的完整性，又阻止一部分细菌对注液口的污染，使得输液更加的安全。
导管4采用PU管，导管4的进口端与无针加药四通阀22相连，导管4的出口端与公鲁尔接头9相连；管路夹子5夹接在导管4上，管路夹子5选用大孔小锁合夹。
药液过滤器6安装在导管4上，并位于管路夹子5和公鲁尔接头9之间，药液过滤器6采用带排气型药液过滤器。
稳压阀7安装在导管4上，并位于药液过滤器6和公鲁尔接头9之间。
流量调节器8安装在导管4上，并位于稳压阀7和公鲁尔接头9之间。
公鲁尔接头9上设置有内螺护帽10。
本发明的一次性使用输注泵，储液囊3是整个输注泵的动力所在，与稳压阀7配合，使输出的压力不会出现上下波动的情况。无针加药四通阀22包括上半部分和下半部分，上半部分具有一个无针加药口，方便方便加药口的灭菌，下半部分为单向阀体，满足单向给液无回流的问题。锁紧夹23为连接无针加药四通阀22与储液囊3的锁紧装置，通过调节锁紧夹23的紧度，来控制连接的牢固度。导管4采用大壁厚的PU管，起到防折管目的，保证药液流畅，令安装、携带极为方便。带排气型药液过滤器6能有效地过滤气泡、微粒及杂质，可滤除小到2μm以上的微粒，防止输液堵塞。流量调节器8内部设有流量控制槽，通过旋转按钮，调节流量的变化从而确定不同的流量规格。
请参阅图3，稳压阀7包括阀体71、阀体上盖72、鼓膜73、阀体密封件74、调节螺丝75和调节弹簧76，其中：阀体71的进口端通过导管4与药液过滤器6相连，阀体72的出口端通过导管4与流量调节器8相连；阀体上盖72盖合在阀体71上，阀体上盖71的中部开设一上下贯通的螺丝安装口；鼓膜73安装在阀体71的中部；阀体密封件74设置在鼓膜73与阀体71之间；调节螺丝75安装在阀体上盖72的螺丝安装口内；调节弹簧76的顶端与调节螺丝75的底端接触设置，调节弹簧76的底端与鼓膜73的上表面接触设置。鼓膜73的材质为硅胶。
由于储液囊3的硅胶管在收缩过程中，会出现压力的变化，给输液的精度造成一定的影响。当整个产品加入稳压阀7后使得输出的压力是一个恒定值，进而将输液精度控制在极小的范围内。稳压阀7是采用控制阀体内的启闭件的开合来调节介质的压力，将介质的压力降低到一设定值，即使在进口压力不断变化的情况下，也能保持出口压力在设定值。
稳压阀7在使用时，调节螺丝75可以上下旋转，通过旋转调节螺丝75，从而调整调节弹簧76的压缩量，进而调整调节弹簧76对鼓膜73的压力大小，进而控制阀体71的输出压力。利用调节弹簧76的弹力与鼓膜73上下移动时的开度变化，持续的调节阀体71的出口处的压力，使得出口处的压力始终处于一个稳定的状态。鼓膜73选用硅胶材料，稳定性能好且不与药液发生反应，保证了病人的使用安全，鼓膜73有上下两个平面，且两个平面之间有面积差，通过面积差来控制鼓膜73的运动方向，阀体71设计用来进行液体流动方向的控制，阀体上盖72用来密封鼓膜73到阀体71上，小巧的外观设计满足了在诸多产品上的使用。稳压阀7使得即使在进口压力不断变化的情况下，也能保持出口压力在设定值，从而满足高精度的输液要求。
请参阅图4，稳压阀7的工作原理为：旋转调节螺丝75，将调节弹簧76的压力调节到设定值，设P1为稳压阀7的进口压力，P2为稳压阀7的内部压力，P3为稳压阀7的出口压力，当P1、P2在各自的面S1、S2上形成的合力与调节弹簧76的弹力达到平衡时，那么鼓膜73的下端凸台将阻断液体继续向上流动。当P2的压力稍有降低，那么在调节弹簧76的弹力的作用下鼓膜73的下端凸台将下移，P2的压力得到补偿，当P1、P2在各自的面S1、S2上形成的合力与调节弹簧76的弹力再次达到平衡时，鼓膜73的下端凸台将阻断液体继续向上流动，进而使得P2的压力处在一个动态平衡状态，最终保证了出口压力P3的恒定。
本发明的一次性使用输注泵的特点：
1)储液囊3外有一硬质的保护性外壳2，外壳2形状为圆形，方便装置装入口袋或者放置到其他地方；
2)为了方便本装置的携带，外壳2上装有挂带1，可以把本装置挂在脖子上；
3)储液囊3与稳压阀7相配合，使输出压力控制稳定可靠，精度高。当上游压力或流量变动时稳压阀7自动调节，稳定了下游压力。使得下游压力变化连续、平稳，受进口压力影响小；
4)流量调节器8满足了不同病人对药液流量的需求，；
5)无针加药四通阀22，大大降低了药液的残留量，一方面降低了药液的使用量，另一方面减轻病人的经济负担。
综上所述，本发明的一次性使用输注泵可以广泛的应用与急救特别是一些突发 情况对于伤员的救助，以及改善了现在的传统输液的环境。
本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本发明，而并非用作为对本发明的限定，只要在本发明的实质精神范围内，对以上所述实施例的变化、变型都将落在本发明的权利要求书范围内。

Claims (9)

  1. 一种一次性使用输注泵，其特征在于，包括外壳、储液囊、导管、管路夹子、药液过滤器、稳压阀、流量调节器和公鲁尔接头，其中：
    所述外壳上设置有挂带，所述挂带上设置有压扣；
    所述储液囊设置在所述外壳内，所述储液囊的囊壁为渐变壁厚；
    所述外壳上开设有注液口，该注液口内安装有无针加药四通阀，所述无针加药四通阀通过锁紧夹与所述储液囊相连，所述注液口上设置有密封盖；
    所述导管的进口端与所述无针加药四
    通阀相连，所述导管的出口端与所述公鲁尔接头相连；
    所述管路夹子夹接在所述导管上；
    所述药液过滤器安装在所述导管上，并位于所述管路夹子和所述公鲁尔接头之间；
    所述稳压阀安装在所述导管上，并位于所述药液过滤器和所述公鲁尔接头之间；
    所述流量调节器安装在所述导管上，并位于所述稳压阀和所述公鲁尔接头之间；
    所述公鲁尔接头上设置有内螺护帽。
  2. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述稳压阀包括阀体、阀体上盖、鼓膜、阀体密封件、调节螺丝和调节弹簧，其中：
    所述阀体的进口端通过所述导管与所述药液过滤器相连，所述阀体的出口端通过所述导管与所述流量调节器相连；
    所述阀体上盖盖合在所述阀体上，所述阀体上盖的中部开设一上下贯通的螺丝安装口；
    所述鼓膜安装在所述阀体的中部；
    所述阀体密封件设置在所述鼓膜与所述阀体之间；
    所述调节螺丝安装在所述阀体上盖的螺丝安装口内；
    所述调节弹簧的顶端与所述调节螺丝的底端接触设置，所述调节弹簧的底端与所述鼓膜的上表面接触设置。
  3. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述密封盖可 掀开地安装在所述外壳上，所述密封盖的内表面上设置有密封环，所述密封盖通过该密封环与所述注液口密封连接。
  4. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述储液囊由硅胶管制成。
  5. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述导管采用PU管。
  6. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述外壳包括上盖、下盖和紧固环，所述上盖盖合在所述下盖上，所述上盖与所述下盖的连接处的外周边通过所述紧固环固定，所述挂带与所述紧固环相连。
  7. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述药液过滤器采用带排气型药液过滤器。
  8. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述鼓膜的材质为硅胶。
  9. 根据权利要求1所述的一种一次性使用输注泵，其特征在于，所述无针加药四通阀包括上半部分和下半部分，所述上半部分具有一个无针加药口，所述下半部分为单向阀体。
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